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authorChris Mason <chris.mason@oracle.com>2007-03-13 16:47:54 -0400
committerDavid Woodhouse <dwmw2@hera.kernel.org>2007-03-13 16:47:54 -0400
commit3768f3689fc76ecea17414936dff7a02746a4355 (patch)
tree0494b12e3ba0be0a25f122922e205bc91d88957b /fs/btrfs/disk-io.h
parenteaee50e881b88766d9a781c54c4142456cf5e527 (diff)
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talos-op-linux-3768f3689fc76ecea17414936dff7a02746a4355.zip
Btrfs: Change the super to point to a tree of trees to enable persistent snapshots
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.h')
-rw-r--r--fs/btrfs/disk-io.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index b391335864b1..c22a61f9233f 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -24,7 +24,8 @@ struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *s);
int close_ctree(struct btrfs_root *root, struct btrfs_super_block *s);
void btrfs_block_release(struct btrfs_root *root, struct btrfs_buffer *buf);
int write_ctree_super(struct btrfs_root *root, struct btrfs_super_block *s);
-int mkfs(int fd);
+int mkfs(int fd, u64 num_blocks, u16 blocksize);
+
#define BTRFS_SUPER_INFO_OFFSET(bs) (16 * (bs))
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